Coating apparatus including means to rotate and translate a rod-substrate



NOV- 28, 1967 F. D. KARKOSKA COATING APPARATUS INCLUDING MEANS TO HOTATEAND TRANSLATE A ROD-SUBSTRATE 2 Sheets-Sheet l Original Filed March 31,1961 W l. 4 i* Nov. 28, 1967 F. D. KARKOSKA COATING APPARATUS INCLUDINGMEANS TO ROTATE AND TRANSLATE A ROD-SUBSTRATE Original Filed MaICh 3l,1961 2 Sheets-Sheet 2 United States Patent O CATING APPARATUS INCLUDINGMEANS TO ROIATE AND TRANSLATE A ROD-SUBSTRATE Frank D. Karkoska, 5211 S.Halsted St., Chicago, Iii. 60609 Continuation of application Ser. No.99,756, Mar. 31,

1961. rlihis application Apr. 25, 1966, Ser. No. 549,768 9 Claims. (Cl.118-409) This is a continuation application of application S.N. 99,756,now abandoned, filed by Frank D. Karkoska on Mar. 31, 1961.

This invention relates to a device for imparting both a rotational and atranslational movement, that is, a helical movement, to a cylinder orrod. The invention is particularly useful in winding strip foil materialonto a cylinder. It is specifically adapted to winding a strip ofmaterial onto a slender cylinder to form simulated needles on anartificial Christmas tree. The cylinder which is advanced through thedevice is imparted with a rotational as well as a translationalmovement, and as the helically advancing cylinder leaves the device astrip material is wound around it. It is apparent that the inventiongreatly facilitates the helical winding of a strip material around acylinder.

The ratio of the rotational movement with respect to the translationalmovement can be varied by varying the angle at which the cylinderengages a roller, and consequently the pitch at which the strip materialis wound around the cylinder can be varied.

The invention also comprehends the application of glue to the cylinderbefore the strip material is helically wound thereon.

In the diagrammatic drawings:

FIGURE 1 is a plan view of the entire device of the invention;

FIGURE 2 is an elevation view of the device showing the verticalrelation of the various components thereof to each other;

FIGURE 3 is an end elevation view showing the relation of the holder andthe feeding roller with respect to the various other components of thedevice;

FIGURE 4 is a cross-sectional View taken along line 4 4 of FIGURE 1; and

FIGURES 5, 6 and 7 are plan views of a portion of the device eachshowing the holder in dierent oblique positions with respect to thefeeding roller.

Referring to the illustrative embodiment in FIGURES 1, 2 and 3 of thedrawings, there is shown a frame 10 having an upper plate 11 and a lowerplate 12. A spacer 13 located near one end of the frame 18 is attachedby screws 14 and 15 tothe upper and lower plates, respectively. Near theother end of the frame there is provided a block 16 which is attached tothe lower plate by a screw 17. An adjusting screw 18 passes through anaperture in the upper plate 11 and is threadably received by the block16 whereby, upon actuation of screw 1S, relative movement occurs betweenthe feeding roller 28 and the guide 34 such that the roller moves towardand away from the U-shaped cut-out portion '33 as seen in FIG- URES 2and 3.

An electric motor 19 is mounted on the frame by means of a bracket 20. Aconventional foot pedal operated switch 21 which includes a rheostat isemployed to vary the speed of the motor 19. An electric current passesthrough leads in cord 21a, through the switch 21 and through the leadsin cord 2lb to the motor 19. The output shaft 22 of the motor 19 hasiixedly mounted thereon a pulley 23 which drives an endless belt 24which in turn drives a pulley 25. A drive shaft 26 mounted for rotationin bearings 27 and 27a is xedly attached to the pulley 25. The end ofthe drive shaft 26 which is oppo- 3,354,866 Patented Nov. 28, 1967 sitethe pulley 25 has a feeding roller 28 xedly attached thereto by a nut 29and a cotter pin 30. The feeding roller is preferably composed of aresilient material, such as rubber, but it can also be composed of ahard material and be knurled to afford a more positive gripping action.Moreover, a knurled feeding roller will cause the cylinder or rod 31 tobe embossed which is advantageous in some types of winding operations.FIGURES 3 and 4, particularly show a holder 32 or guide block mounted onthe lower plate 12 of the frame adjacent and below the feeding roller28. The roller is disposed partially between a U-shaped cut out portion33 in the holder or guide block 32. A guide 34 is fitted and retained inan opening 35 in the holder by means of set screws 36 and 37. A screw 38about which the holder 32 can be pivoted secures it to the lower plate12 of the frame. A washer 39 through which Iscrew 38 passes is disposedbetween the holder and the lower plate. The holder 32 can be pivotedabout the screw 38 into various positions as illustrated in FIGURES 5, 6and 7. The angle at which the holder is positioned with respect to theplane of rotation of the feeding roller 28 determines the amount ofrotatoional and the amount of translational movement which is impartedto the cylinder 31. For example, the amount of rotational movement ofthe cylinder is greater when the holder is in the position of FIGURE 6than that in the position of FIGURE 5, but the translational movement ofthe cylinder when the holder is in the position in FIGURE 5 is greaterthan that in the position of FIGURE 6. Similarly, when the holder is inthe position of FIGURE 7 the rotational movement of the cylinder isgreater than that in the position of either FIGURES 5 or 6 whereas thetranslational movement is less than in either FIGURES 5 or 6. In otherwords, the rotational movement of the cylinder is inversely proportionalto its translational movement.

The workpiece or cylinder enters guide 34 at the entrance end and uponengagement with feeding roller 28 a helical movement is imparted theretoproviding the holder makes an oblique angle with respect to the plane`of rotation of the feeding roller. The term oblique is used herein todesignate all positions of the holder other than that in which theholder is positioned either exactly perpendicular or exactly parallel tothe plane of rotation of the roller. Before the cylinder or workpieceleaves the holder aquantity of glue can be applied to the cylinder. Agluereservoir 40 is supplied to the exit end of the holder through aninlet 41. A valve 42 in inlet 41 determines the amount of glue, if any,which is applied to the cylinder. A trough 43 is provided in the lowerside of the -guide 34 which, when it fills up with glue, aids in thecoating of the cylinder. An outlet 44 leads from the bottom of thetrough 43 and permits the excess glue to drip into a nearby container(not shown). A valve 45 in outlet 44, similar to valve 42, can beadjusted so that the trough is always filled with glue and the excessdrips into the container.

It is apparent that the force which roller 28 exerts upon the cylinder31 upon engagement therewith can be adjusted by means of the adjustingscrew 18 which causes roller 28 to move relative to the U-shaped cut outportion 33 in holder 32.

While the preferred embodiment includes a motor and other components todrive the roller 28, the motor components can be omitted or simplydisconnected from the roller by removing pulley 24. The roller is thenfreely rotatable. The cylinder can then be fed or pushed through theholder by hand or by other means (not shown). It will be noted that inthis case the roller will impart the same movement to the cylinder as inthe case wherein the roller is driven and is employed in feeding oradvancing the cylinder.

In a specific example of the invention a thin foil (not shown) having alongitudinal strip portion and a plurality of shreaded transverse stripportions which extend from one marginal edge of the longitudinal stripportion is used in forming the simulated needles of an artificialChristmas tree. The longitudinal strip portion is wound around the thincylinder 31 and is glued thereto, while the transverse strip portionsform the simulated needles which extend in all directions when thelongitudinal strip portion is helically wound around the cylinder 31.The cylinder is from about 1/16 to 1/s of an inch in diameter, while theroller 28 is about one inch in diameter. The motor 19 is of a sewingmachine motor type which is operable by the foot pedal through therheostat.

The above-described embodiment being exemplary and illustrative only, itwill be understood that the present invention comprehends organizationsdiffering in form or detail from the presently described embodiments.Accordingly, the invention is not to be considered as limited save as isconsonant with the scope of the following claims.

What is claimed is:

1. An apparatus adapted for providing rotational and translationalmovement to a rod about which foil is adapted to be wound, saidapparatus comprising:

a base member;

drive means mounted upon said base member having a drive shaft extendingtherefrom;

a wheel having a frictional drive surface and connected to said driveshaft whereby said wheel is capable of rotation in a plane substantiallyperpendicular to the longitudinal axis of said drive shaft;

a guide block means adapted for receiving said rod,

said guide block means comprising a passageway extending through thelength of said block means and having an opening which is at least aslarge as the maximum width of a rod adapted to be passed through saidpassageway;

said block means being pivotally mounted upon a fixed axis on said basemember, said block means having a vertically extending grooveintersecting at least a portion of said passageway, said wheel beingdisposed within said groove with its drive surface being in generalalignment with the longitudinal extent of said passageway and adaptedfor driving engagement with a rod when it is located in said passageway;and,

means for positioning said guide block means askew to the plane ofrotation of said wheel whereby to effect rotational and translationalmovement of a rod when it is placed in said apparatus.

2. An apparatus in accordance with claim 1 further including means forapplying glue to said rod, said glue means being positioned adjacentsaid guide block means.

3. An apparatus in accordance with claim 1 further including means foradjusting said wheel relative to said base member whereby said wheel isadjusted relative to said guide block means.

4. An apparatus in accordance with claim 3 wherein said adjusting meansis a screw means for adjusting said wheel and guide block means relativeto each other.

5. An apparatus adapted for rotating and translating a rod, saidapparatus comprising:

a support frame;

a driving member mounted on said frame having a drive shaft extendingtherefrom;

a driven member having a frictional drive surface connected to saiddrive shaft which member is capable of rotation in a plane substantiallyperpendicular to the longitudinal axis of said drive shaft;

a rod guide block mounted adjacent said driven member, said guide blockbeing adapted for receiving said rod and comprising an opening extendingthroughout the length of said block, said opening being at least aslarge as the maximum width of a rod adapted to be passed through saidopening, said block being pivotally mounted upon said frame and having avertically extending groove intersecting at least a portion of saidopening;

said driven member being disposed within said groove with its frictionaldrive surface being in general alignment with the longitudinal extent ofsaid opening and adapted for driving engagement with a rod when said rodis located in said opening; and

means for positioning said guide block askew to the plane of rotation ofsaid driven member whereby to effect rotational and translationalmovement of a rod when it is located in said apparatus.

6. An apparatus in accordance with claim 5 wherein said driven member isa wheel.

7. An apparatus in accordance with claim 5 further including means forapplying glue to said rod, said glue means being positioned adjacentsaid guide block.

A8. An apparatus in accordance with claim 5 further including means foradjusting said driven member relative to said base member whereby saiddriven member is adjusted relative to said guide block.

9. An apparatus in accordance with claim 8 further wherein saidadjusting means is a screw vmeans for adjusting said driven member andguide block relative to each other.

References Cited UNITED STATES PATENTS 896,851 8/1908 McCarren 144-208.61,988,628 1/1935 McDonald et al 154-287 1,993,190 3/1935 Stackhouse214-339 2,048,557 7/1936 Mickelson et al. 2,130,586 9/1938 Huston.2,147,308 2/1939 Mickelson et al. 3,140,970 7/1964 Reukauf 156-425FOREIGN PATENTS 575,042 1/ 1946 Great Britain.

MORRIS KAPLAN, Primary Exafm'ner.I

1. AN APPARATUS ADAPTED FOR PROVIDING ROTATIONAL AND TRANSLATIONALMOVEMENT TO A ROD ABOUT WHICH FOIL IS ADAPTED TO BE WOUND, SAIDAPPARATUS COMPRISING: A BASE MEMBER; DRIVE MEANS MOUNTED UPON SAID BASEMEMBER HAVING A DRIVE SHAFT EXTENDING THEREFROM; A WHEEL HAVING AFRICTIONAL DRIVE SURFACE AND CONNECTED TO SAID DRIVE SHAFT WHEREBY SAIDWHEEL IS CAPABLE OF ROTATION IN A PLANE SUBSTANTIALLY PERPENDICULAR TOTHE LONGITUDINAL AXIS OF SAID DRIVE SHAFT; A GUIDE BLOCK MEANS ADAPTEDFOR RECEIVING SAID ROD, SAID GUIDE BLOCK MEANS COMPRISING A PASSAGEWAYEXTENDING THROUGH THE LENGTH OF SAID BLOCK MEANS AND HAVING AN OPENINGWHICH IS AT LEAST AS LARGE AS THE MAXIMUM WIDTH OF A ROD ADAPTED TO BEPASSED THROUGH SAID PASSAGEWAY; SAID BLOCK MEANS BEING PIVOTALLY MOUNTEDUPON A FIXED AXIS OF SAID BASE MEMBER, SAID BLOCK MEANS HAVING AVERTICALLY EXTENDING GROOVE INTERSECTING AT LEAST A